Model
DomValidationState
Magento\Cms\Model\Page\DomValidationState
What it does
This class enforces XML validation for CMS page layout updates in Magento 2.
Developers use this to ensure that any custom layout XML added to CMS pages is properly validated against Magento's schema before being processed.
It's automatically invoked during CMS page saving to prevent malformed XML from breaking the layout system.
Public Methods
- isValidationRequired()